Peoria, IL Weather & Growing Conditions
This Afternoon
83°F
Mostly Cloudy
Mostly cloudy, with a high near 83. South wind around 7 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Mostly Cloudy | 7 mph S | 13% |
| Tonight | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 6 mph SSE | 35% |
| Sunday | 76°F | Chance Showers And Thunderstorms | 5 to 12 mph NNE | 50% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 47% |
| Monday | 67°F | Rain Showers Likely | 13 mph ENE | 69% |
| Monday Night | 56°F | Rain Showers Likely | 12 mph ENE | 55% |
| Tuesday | 66°F | Chance Rain Showers | 12 mph NE | 49% |
| Tuesday Night | 53°F | Mostly Cloudy | 5 to 10 mph NNE | 12% |
| Wednesday | 68°F | Partly Sunny | 8 mph NNE | 2% |
| Wednesday Night | 55°F | Partly Cloudy | 2 to 7 mph NNE | 2% |
| Thursday | 71°F | Partly Sunny | 2 to 6 mph NNE | 2% |
| Thursday Night | 57°F | Mostly Cloudy | 1 to 5 mph NE | 4% |
| Friday | 75°F | Partly Sunny | 2 to 6 mph NNE | 4% |
| Friday Night | 57°F | Partly Cloudy | 1 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Peoria, IL
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6a
Explore more for Peoria, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Peoria Gtr Peoria Ap, Il (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.